Year Dollars 1992-01-01 131002143 1997-01-01 107751759 2002-01-01 201564457 2003-01-01 87545566 2004-01-01 109997911 2005-01-01 115687299 2006-01-01 203798923 2007-01-01 181532511 2008-01-01 218081149 2009-01-01 129872648 2010-01-01 249178255 2011-01-01 163613957 2012-01-01 162984152 2013-01-01 152035908 2014-01-01 94343206 2015-01-01 70311139 2016-01-01 39789073